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    Help identify mosfet

    I need help identifying a bad mosfet. I have a 25A kt sine wave controller. I have a short going from power+ to the yellow phase wire. There seems to be two types of mosfets inside. The one on the left is easily identified. I can’t seem to find anything on the right one(the bad one). Any...
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    Controller mis-sized?

    I may have mis-sized my controller. I did a conversion with he Ebikeling 750w motor(rated peak power 850w). I chose a 25 max amp KT sine wave controller with a rated current of 12w. Running it with 48volt battery, ~15 amps seems would be in acceptable range. The problem is the max current...
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